1. Single-unit installable air bladder lumbar massage system for chair

2. Bowfin have an air bladder rich with blood vessels, allowing them to breathe air directly from the surface and survive in water with low oxygen levels

3. ‘These Barbels hang below the mouth and feel the bottom as the sturgeon swims.’ ‘It has short nasal Barbels on the front of the snout.’ ‘Key variations are in the shape of the animal's skull, jaw muscles, air bladder - which fish use to rise and sink in water - and, perhaps most noticeably, the wispy Barbels, or whiskers, around its